* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: Tahoma, Arial, sans-serif;
    background: #f4f6f8;
    color: #20252b;
}

.page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.box {
    width: 100%;
    max-width: 620px;
    text-align: center;
}

.logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 14px;
    border-radius: 22px;
    background: linear-gradient(135deg, #315fd5, #bd5734);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 38px;
    font-weight: bold;
    box-shadow: 0 12px 30px rgba(0,0,0,.14);
}

h1 {
    direction: ltr;
    margin: 0;
    font-size: 34px;
}

h2 {
    margin: 5px 0 0;
    font-size: 22px;
}

.intro {
    color: #727b84;
    margin: 12px 0 30px;
}

.buttons {
    display: grid;
    gap: 15px;
}

.card {
    background: white;
    border: 1px solid #e0e4e8;
    border-radius: 18px;
    padding: 19px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: right;
    color: #20252b;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0,0,0,.05);
}

.card:active {
    transform: scale(.985);
}

.icon {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    border-radius: 15px;
    background: #f0f3f5;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
}

.card strong {
    display: block;
    font-size: 17px;
    margin-bottom: 6px;
}

.card small {
    color: #75808a;
    line-height: 1.7;
}

.guest {
    border-right: 4px solid #2f66db;
}

.admin {
    border-right: 4px solid #b75a39;
}

.platform {
    border-right: 4px solid #555b70;
}

.footer {
    font-size: 12px;
    color: #999;
    margin-top: 25px;
}

@media (max-width: 600px) {
    .page {
        align-items: flex-start;
        padding-top: 45px;
    }

    h1 {
        font-size: 30px;
    }

    .card {
        padding: 16px;
    }
}